muscles: head & neck region, chest. exam 2

Question 1

what is the location of the mylohyoid?

Answer 1

inside curve of mandible

Question 2

which muscles insertion is the eyelid?

Answer 2

orbicularis oculi

Question 3

what is the insertion of the sternocleidomastoid?

Answer 3

the mastoid process (temporal bone and occipital bone

Question 4

which muscles action is to controls the lips?

Answer 4

orbicularis oris

Question 5

what muscles insertion is the frontal bone and maxilla?

Answer 5

orbicularis oculi

Question 6

what is the action of the mylohyoid?

Answer 6

elevate hyoid bone, move tongue back (speaking, chewing, or swallowing)

Question 7

what muscles origin is the sternum and clavicle?

Answer 7

sternocleidomastoid

Question 8

what is the insertion of the orbicularis oris?

Answer 8

skin at the corners of the mouth

Question 9

which muscles location is around the eye?

Answer 9

orbicularis oculi

Question 10

which muscles action is to turn head, contract both, pull head forward and down?

Answer 10

sternocleidomastoid

Question 11

what muscles insertion is the hyoid bone?

Answer 11

mylohyoid

Question 12

what is the origin of the orbicularis oris?

Answer 12

maxilla and mandible

Question 13

what is the action of the orbicularis oculi?

Answer 13

moves eyelid

Question 14

what muscles origin is the medial(inside) surface of mandible?

Answer 14

mylohyoid

Question 15

what is the location of the sternocleidomastoid?

Answer 15

along side the neck

Question 16

which muscles location is around the mouth?

Answer 16

orbicularis oris

Question 17

what is the location of the serratus anterior?

Answer 17

lateral thorax partly deep to pectoralis major

Question 18

what muscles origin is the clavicle, sternum, cartilage of ribs 2-6?

Answer 18

pectoralis major

Question 19

which muscles action is to pull scapula forward and down?

Answer 19

pectoralis minor

Question 20

what is the action of the pectoralis major?

Answer 20

flex, adduct, rotate the arm

Question 21

which muscles location is deep to pectoalis major?

Answer 21

pectoralis minor

Question 22

which muscles insertion is the vertebral border of scapula?

Answer 22

serratus anterior

Question 23

what is the insertion of the pectoralis major?

Answer 23

greater tubercle, intertubercular groove (sulcus) of humerus

Question 24

what muscles origin is the anterior surface of ribs 3, 4, & 5?

Answer 24

pectoralis minor

Question 25

what is the action of the serratus anterior?

Answer 25

rotate scapula, move scapula up, and lateral abduction

Question 26

what muscles insertion is the corocoid process of scapula?

Answer 26

pectoralis minor

Question 27

what muscles location is the big superficial chest muscle?

Answer 27

pectoralis major

Question 28

what is the origin of the serratus anterior?

Answer 28

ribs 1-8

Question 29

what muscles action is to separate ribs during inspiration?

Answer 29

external intercostals

Question 30

what is the location of the internal intercostals?

Answer 30

between ribs deep

Question 31

what muscles origin is the xiphoid process (sternum), costal cartilage of ribs 5-10, lumbar vertebrae?

Answer 31

diaphragm

Question 32

what muscles origin is the superior border of rib below?

Answer 32

internal intercostals

Question 33

what is the insertion of the diaphragm?

Answer 33

central tendon of the diaphragm

Question 34

what muscles location is between the ribs superficial?

Answer 34

external intercostals

Question 35

what muscles action pulls ribs together during expiration?

Answer 35

internal intercostals

Question 36

what is the location of the diaphragm?

Answer 36

the floor of the thoracic cavity

Question 37

what is the insertion of the external intercostals?

Answer 37

superior border of rib below

Question 38

what muscles action pulls itself down during inspiration?

Answer 38

diaphragm

Question 39

what is the insertion of the internal intercostals?

Answer 39

inferior border of rib above

Question 40

what is the origin of the external intercostals?

Answer 40

inferior border of rib above